.flex {
    display: flex;
}
.flex-between {
    justify-content: space-between;
}
.flex-around {
    justify-content: space-around;
}
.flex-1 {
    flex: 1;
}
.flex-2 {
    flex: 2;
}
.flex-Y {
    flex-direction: column;
}
.flex-XC {
    justify-content: center;
}
.flex-YC {
    align-items: center;
}
.flex-center {
    justify-content: center;
    align-items: center;
}
